TXDV1212RG

Overview

The TXDV1212RG is a 12 A high-voltage Triac from the STMicroelectronics TXDVxx12 series, utilizing Alternistor technology. It features a maximum blocking voltage of 1200 V and a gate trigger current of 100 mA. The device supports commutation up to 42.5 A/ms at 10 V/μs and offers noise immunity of 2 kV/μs. Packaged in an insulated configuration rated at 2,500 V rms (UL recognized E81734), it is designed for robust power control applications.

Feature Summary

• High performance Alternistor technology for superior switching characteristics
• Very high commutation levels and surge current capability
• Insulated package providing enhanced safety isolation

Applications

• Power control for inductive and resistive loads such as motors and transformers
• Three-phase power grid applications including heating systems
• Motor starters and induction motor speed control, particularly for fans

Procurement Notes

Verify the specific suffix RG against the manufacturer's official datasheet to confirm pinout, packaging type, and compliance status. Ensure the component matches the required thermal and electrical ratings for the target circuit design before procurement.

Selection Notes

Select this component for three-phase AC power control where high commutation capability is critical. The 1200 V rating suits high-voltage industrial grids, while the insulated package simplifies thermal management and safety compliance in dense designs.

Part Context

The TXDV1212RG belongs to the TXDVxx12 series of high-voltage Triacs. This family leverages Alternistor technology to deliver high surge current handling and commutation performance, targeting demanding industrial power control environments requiring reliable operation under harsh electrical conditions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs using equivalent high-voltage Triac specifications.